About the Execution of ITS-Tools for FunctionPointer-PT-b128
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 0 128 0 128 128 ? ? ? ? ? ? 0 1 ? ? 128 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400109.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FunctionPointer-PT-b128, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400109
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 391K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748806655280
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b128
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 19:37:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 19:37:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 19:37:38] [INFO ] Load time of PNML (sax parser for PT used): 299 ms
[2025-06-01 19:37:38] [INFO ] Transformed 306 places.
[2025-06-01 19:37:38] [INFO ] Transformed 840 transitions.
[2025-06-01 19:37:38] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 530 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Deduced a syphon composed of 84 places in 12 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b128-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:37:38] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2025-06-01 19:37:38] [INFO ] Computed 4 invariants in 38 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[128, 128, 128, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, 128]
RANDOM walk for 10112 steps (4 resets) in 103 ms. (97 steps per ms)
FORMULA FunctionPointer-PT-b128-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b128-UpperBounds-01 128 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110011 steps (59 resets) in 282 ms. (388 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 14, 3, 4, 1, 3, 1, 6, 1, 5, 3] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 128]
[2025-06-01 19:37:39] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2025-06-01 19:37:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:39] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 19:37:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 19:37:40] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2025-06-01 19:37:40] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-01 19:37:40] [INFO ] [Real]Added 65 Read/Feed constraints in 27 ms returned sat
[2025-06-01 19:37:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 19:37:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:40] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-01 19:37:40] [INFO ] [Nat]Added 65 Read/Feed constraints in 42 ms returned sat
[2025-06-01 19:37:40] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 170 ms.
[2025-06-01 19:37:41] [INFO ] Added : 2 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 176 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Real]Added 65 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:37:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2025-06-01 19:37:41] [INFO ] [Nat]Added 65 Read/Feed constraints in 18 ms returned sat
[2025-06-01 19:37:41] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 109 ms.
[2025-06-01 19:37:42] [INFO ] Added : 3 causal constraints over 1 iterations in 218 ms. Result :sat
Minimization took 277 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:42] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:42] [INFO ] [Real]Absence check using state equation in 240 ms returned sat
[2025-06-01 19:37:42] [INFO ] [Real]Added 65 Read/Feed constraints in 20 ms returned sat
[2025-06-01 19:37:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 24 ms returned sat
[2025-06-01 19:37:43] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 103 ms.
[2025-06-01 19:37:43] [INFO ] Added : 2 causal constraints over 1 iterations in 205 ms. Result :sat
Minimization took 167 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:43] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Real]Added 65 Read/Feed constraints in 29 ms returned sat
[2025-06-01 19:37:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:44] [INFO ] [Nat]Absence check using state equation in 242 ms returned sat
[2025-06-01 19:37:44] [INFO ] [Nat]Added 65 Read/Feed constraints in 27 ms returned sat
[2025-06-01 19:37:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 115 ms.
[2025-06-01 19:37:44] [INFO ] Added : 2 causal constraints over 1 iterations in 239 ms. Result :sat
Minimization took 165 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:37:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:44] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2025-06-01 19:37:44] [INFO ] [Real]Added 65 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:37:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 19 ms returned sat
[2025-06-01 19:37:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 49 ms.
[2025-06-01 19:37:45] [INFO ] Added : 2 causal constraints over 1 iterations in 112 ms. Result :sat
Minimization took 100 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:37:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2025-06-01 19:37:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:37:46] [INFO ] Deduced a trap composed of 21 places in 276 ms of which 15 ms to minimize.
[2025-06-01 19:37:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 325 ms
[2025-06-01 19:37:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 59 ms.
[2025-06-01 19:37:46] [INFO ] Added : 1 causal constraints over 1 iterations in 155 ms. Result :sat
Minimization took 164 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:46] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:37:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:46] [INFO ] [Real]Absence check using state equation in 208 ms returned sat
[2025-06-01 19:37:46] [INFO ] [Real]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 19:37:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Nat]Absence check using state equation in 203 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:37:47] [INFO ] Deduced a trap composed of 21 places in 205 ms of which 8 ms to minimize.
[2025-06-01 19:37:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2025-06-01 19:37:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 42 ms.
[2025-06-01 19:37:47] [INFO ] Added : 2 causal constraints over 1 iterations in 102 ms. Result :sat
Minimization took 101 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2025-06-01 19:37:47] [INFO ] [Real]Added 65 Read/Feed constraints in 25 ms returned sat
[2025-06-01 19:37:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:37:48] [INFO ] Deduced a trap composed of 21 places in 235 ms of which 12 ms to minimize.
[2025-06-01 19:37:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
[2025-06-01 19:37:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 41 ms.
[2025-06-01 19:37:48] [INFO ] Added : 2 causal constraints over 1 iterations in 119 ms. Result :sat
Minimization took 122 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:48] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2025-06-01 19:37:48] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2025-06-01 19:37:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 24 ms returned sat
[2025-06-01 19:37:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 53 ms.
[2025-06-01 19:37:49] [INFO ] Added : 2 causal constraints over 1 iterations in 149 ms. Result :sat
Minimization took 161 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:49] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Real]Absence check using state equation in 208 ms returned sat
[2025-06-01 19:37:49] [INFO ] [Real]Added 65 Read/Feed constraints in 22 ms returned sat
[2025-06-01 19:37:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 19:37:50] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2025-06-01 19:37:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 25 ms returned sat
[2025-06-01 19:37:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 47 ms.
[2025-06-01 19:37:50] [INFO ] Added : 4 causal constraints over 2 iterations in 182 ms. Result :sat
Minimization took 164 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:50] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 19:37:51] [INFO ] [Real]Absence check using state equation in 208 ms returned sat
[2025-06-01 19:37:51] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 19:37:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:37:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 19:37:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 19:37:51] [INFO ] [Nat]Absence check using state equation in 206 ms returned sat
[2025-06-01 19:37:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 25 ms returned sat
[2025-06-01 19:37:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 56 ms.
[2025-06-01 19:37:51] [INFO ] Added : 2 causal constraints over 1 iterations in 148 ms. Result :sat
Minimization took 185 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 14, 3, 4, 1, 3, 1, 6, 1, 5, 3] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 14, 13, 4, 2, 3, 1, 6, 1, 5, 73] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 128]
Support contains 11 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.4 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 0 with 43 rules applied. Total rules applied 44 place count 191 transition count 605
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 71 place count 164 transition count 459
Iterating global reduction 1 with 27 rules applied. Total rules applied 98 place count 164 transition count 459
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 1 with 38 rules applied. Total rules applied 136 place count 164 transition count 421
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 151 place count 149 transition count 391
Iterating global reduction 2 with 15 rules applied. Total rules applied 166 place count 149 transition count 391
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 174 place count 149 transition count 383
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 181 place count 142 transition count 369
Iterating global reduction 3 with 7 rules applied. Total rules applied 188 place count 142 transition count 369
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 194 place count 136 transition count 345
Iterating global reduction 3 with 6 rules applied. Total rules applied 200 place count 136 transition count 345
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 205 place count 131 transition count 335
Iterating global reduction 3 with 5 rules applied. Total rules applied 210 place count 131 transition count 335
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 214 place count 127 transition count 319
Iterating global reduction 3 with 4 rules applied. Total rules applied 218 place count 127 transition count 319
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 220 place count 125 transition count 311
Iterating global reduction 3 with 2 rules applied. Total rules applied 222 place count 125 transition count 311
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 224 place count 123 transition count 307
Iterating global reduction 3 with 2 rules applied. Total rules applied 226 place count 123 transition count 307
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 228 place count 121 transition count 303
Iterating global reduction 3 with 2 rules applied. Total rules applied 230 place count 121 transition count 303
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 232 place count 119 transition count 299
Iterating global reduction 3 with 2 rules applied. Total rules applied 234 place count 119 transition count 299
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 236 place count 117 transition count 295
Iterating global reduction 3 with 2 rules applied. Total rules applied 238 place count 117 transition count 295
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 240 place count 115 transition count 291
Iterating global reduction 3 with 2 rules applied. Total rules applied 242 place count 115 transition count 291
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 254 place count 115 transition count 279
Applied a total of 254 rules in 247 ms. Remains 115 /222 variables (removed 107) and now considering 279/648 (removed 369) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 261 ms. Remains : 115/222 places, 279/648 transitions.
[2025-06-01 19:37:54] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {33=1, 39=1, 47=1, 92=1, 144=1, 180=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 90=1, 126=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 256 ms. (steps per millisecond=39 ) properties (out of 11) seen :[11, 8, 4, 7, 4, 6, 2, 8, 3, 7, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[19, 14, 13, 7, 4, 6, 2, 8, 3, 7, 73] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 128]
[2025-06-01 19:37:54] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:37:54] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[19, 14, 13, 7, 4, 6, 2, 8, 3, 7, 73] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000101 steps (2 resets) in 1635 ms. (611 steps per ms)
FORMULA FunctionPointer-PT-b128-UpperBounds-15 128 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10000010 steps (20 resets) in 14021 ms. (713 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 20, 123, 72, 38, 111, 34, 82, 85, 74] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:38:10] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-01 19:38:10] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:38:10] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 19:38:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:38:10] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:38:10] [INFO ] Added : 1 causal constraints over 1 iterations in 61 ms. Result :sat
Minimization took 42 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:10] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 19:38:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-06-01 19:38:10] [INFO ] [Nat]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 19:38:10] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 16 ms.
[2025-06-01 19:38:10] [INFO ] Added : 1 causal constraints over 1 iterations in 64 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:10] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 19:38:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 19:38:11] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
[2025-06-01 19:38:11] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 19:38:11] [INFO ] [Nat]Added 33 Read/Feed constraints in 18 ms returned sat
[2025-06-01 19:38:11] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:11] [INFO ] Added : 15 causal constraints over 4 iterations in 146 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 19:38:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:38:12] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:12] [INFO ] Added : 15 causal constraints over 4 iterations in 140 ms. Result :sat
Minimization took 69 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:38:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-01 19:38:12] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:38:13] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 23 ms.
[2025-06-01 19:38:13] [INFO ] Added : 4 causal constraints over 3 iterations in 108 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:13] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:38:13] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 19:38:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:13] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:38:13] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:38:13] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
[2025-06-01 19:38:13] [INFO ] Added : 16 causal constraints over 4 iterations in 151 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:13] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2025-06-01 19:38:13] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 19:38:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:38:14] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:38:14] [INFO ] Added : 9 causal constraints over 3 iterations in 111 ms. Result :sat
Minimization took 118 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-06-01 19:38:14] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:14] [INFO ] Deduced a trap composed of 18 places in 145 ms of which 15 ms to minimize.
[2025-06-01 19:38:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 171 ms
[2025-06-01 19:38:14] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:38:15] [INFO ] Added : 6 causal constraints over 2 iterations in 110 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:15] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:15] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 19:38:15] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 19:38:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:15] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:38:15] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:15] [INFO ] Deduced a trap composed of 18 places in 187 ms of which 15 ms to minimize.
[2025-06-01 19:38:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2025-06-01 19:38:15] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:15] [INFO ] Added : 20 causal constraints over 5 iterations in 168 ms. Result :sat
Minimization took 75 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 20, 123, 72, 38, 111, 34, 82, 85, 74] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33, 127, 123, 72, 38, 501, 34, 82, 85, 74] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Applied a total of 0 rules in 12 ms. Remains 115 /115 variables (removed 0) and now considering 279/279 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 115/115 places, 279/279 transitions.
[2025-06-01 19:38:17] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {33=1, 39=1, 47=1, 92=1, 144=1, 180=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 90=1, 126=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 163 ms. (steps per millisecond=61 ) properties (out of 10) seen :[8, 12, 4, 3, 3, 3, 2, 5, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[33, 127, 123, 72, 38, 501, 34, 82, 85, 74] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:38:17] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[33, 127, 123, 72, 38, 501, 34, 82, 85, 74] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1634 ms. (611 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 13646 ms. (732 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[33, 127, 129, 73, 38, 501, 39, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:38:33] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-06-01 19:38:33] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:38:33] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 19:38:33] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 34 ms.
[2025-06-01 19:38:33] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 65 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 19:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2025-06-01 19:38:33] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:38:33] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 15 ms.
[2025-06-01 19:38:33] [INFO ] Added : 1 causal constraints over 1 iterations in 43 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:38:34] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-06-01 19:38:34] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 19:38:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:34] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 19:38:34] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:34] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 10 ms to minimize.
[2025-06-01 19:38:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2025-06-01 19:38:34] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:34] [INFO ] Deduced a trap composed of 20 places in 152 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:34] [INFO ] Deduced a trap composed of 20 places in 183 ms of which 18 ms to minimize.
[2025-06-01 19:38:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 392 ms
[2025-06-01 19:38:34] [INFO ] Added : 5 causal constraints over 3 iterations in 514 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:34] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:38:35] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:38:35] [INFO ] Added : 15 causal constraints over 4 iterations in 127 ms. Result :sat
Minimization took 69 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Real]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 19:38:35] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:38:35] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 19 ms.
[2025-06-01 19:38:35] [INFO ] Added : 15 causal constraints over 4 iterations in 135 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:36] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:38:36] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 19:38:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:36] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-06-01 19:38:36] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 19:38:36] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:36] [INFO ] Deduced a trap composed of 18 places in 138 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:36] [INFO ] Deduced a trap composed of 20 places in 170 ms of which 19 ms to minimize.
[2025-06-01 19:38:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 359 ms
[2025-06-01 19:38:36] [INFO ] Added : 6 causal constraints over 4 iterations in 499 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:36] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:38:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:38:37] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:37] [INFO ] Added : 27 causal constraints over 7 iterations in 210 ms. Result :sat
Minimization took 103 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:37] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 19:38:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 19:38:37] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:37] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
[2025-06-01 19:38:38] [INFO ] Added : 9 causal constraints over 3 iterations in 115 ms. Result :sat
Minimization took 118 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:38] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:38] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-01 19:38:38] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:38:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:38:38] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 19:38:38] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:38] [INFO ] Deduced a trap composed of 18 places in 142 ms of which 15 ms to minimize.
[2025-06-01 19:38:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 166 ms
[2025-06-01 19:38:38] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:38] [INFO ] Added : 6 causal constraints over 2 iterations in 112 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:39] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:38:39] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:38:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:38:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:38:39] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 19:38:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:38:39] [INFO ] Deduced a trap composed of 18 places in 142 ms of which 15 ms to minimize.
[2025-06-01 19:38:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 165 ms
[2025-06-01 19:38:39] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:38:39] [INFO ] Added : 20 causal constraints over 5 iterations in 164 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[33, 127, 129, 73, 38, 501, 39, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Applied a total of 0 rules in 11 ms. Remains 115 /115 variables (removed 0) and now considering 279/279 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 115/115 places, 279/279 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Applied a total of 0 rules in 11 ms. Remains 115 /115 variables (removed 0) and now considering 279/279 (removed 0) transitions.
[2025-06-01 19:38:41] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:38:41] [INFO ] Implicit Places using invariants in 135 ms returned []
[2025-06-01 19:38:41] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:38:41] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:38:42] [INFO ] Implicit Places using invariants and state equation in 504 ms returned []
Implicit Place search using SMT with State Equation took 641 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:38:42] [INFO ] Redundant transitions in 37 ms returned []
Running 277 sub problems to find dead transitions.
[2025-06-01 19:38:42] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:38:42] [INFO ] Invariant cache hit.
[2025-06-01 19:38:42] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (OVERLAPS) 182/297 variables, 115/118 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 33/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (OVERLAPS) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 151 constraints, problems are : Problem set: 0 solved, 277 unsolved in 10287 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (OVERLAPS) 182/297 variables, 115/118 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 33/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 277/428 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:01] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:01] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:03] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 3/431 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/297 variables, and 431 constraints, problems are : Problem set: 0 solved, 277 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40610ms problems are : Problem set: 0 solved, 277 unsolved
Search for dead transitions found 0 dead transitions in 40622ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41345 ms. Remains : 115/115 places, 279/279 transitions.
[2025-06-01 19:39:22] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {33=1, 39=1, 47=1, 92=1, 144=1, 180=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 90=1, 126=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 10) seen :[12, 14, 7, 7, 3, 3, 2, 8, 4, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:39:23] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:39:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2120 ms. (471 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 13560 ms. (737 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:39:38] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:39:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:38] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2025-06-01 19:39:39] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:39:39] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 19:39:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:39:39] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 15 ms.
[2025-06-01 19:39:39] [INFO ] Added : 1 causal constraints over 1 iterations in 45 ms. Result :sat
Minimization took 39 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:39:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:39:39] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 23 ms.
[2025-06-01 19:39:39] [INFO ] Added : 1 causal constraints over 1 iterations in 68 ms. Result :sat
Minimization took 61 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:39] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 19:39:39] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:39:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:39:40] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:39:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:40] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 16 ms to minimize.
[2025-06-01 19:39:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
[2025-06-01 19:39:40] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:40] [INFO ] Deduced a trap composed of 20 places in 167 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:40] [INFO ] Deduced a trap composed of 20 places in 172 ms of which 17 ms to minimize.
[2025-06-01 19:39:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 391 ms
[2025-06-01 19:39:40] [INFO ] Added : 5 causal constraints over 3 iterations in 513 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:39:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 19:39:41] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 19 ms.
[2025-06-01 19:39:41] [INFO ] Added : 15 causal constraints over 4 iterations in 136 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:39:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 19:39:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:39:41] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 19 ms.
[2025-06-01 19:39:42] [INFO ] Added : 15 causal constraints over 4 iterations in 135 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:42] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 19:39:42] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:39:42] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:39:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:42] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 19:39:42] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:39:42] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:42] [INFO ] Deduced a trap composed of 18 places in 168 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:42] [INFO ] Deduced a trap composed of 20 places in 169 ms of which 19 ms to minimize.
[2025-06-01 19:39:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 385 ms
[2025-06-01 19:39:42] [INFO ] Added : 6 causal constraints over 4 iterations in 530 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:43] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 19:39:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:43] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 19:39:43] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:39:43] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 21 ms.
[2025-06-01 19:39:43] [INFO ] Added : 16 causal constraints over 4 iterations in 147 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:43] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 19:39:43] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 19:39:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 19:39:44] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
[2025-06-01 19:39:44] [INFO ] Added : 9 causal constraints over 3 iterations in 118 ms. Result :sat
Minimization took 118 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:39:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 19:39:44] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:44] [INFO ] Deduced a trap composed of 18 places in 163 ms of which 15 ms to minimize.
[2025-06-01 19:39:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 188 ms
[2025-06-01 19:39:44] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:39:44] [INFO ] Added : 6 causal constraints over 2 iterations in 107 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:45] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:39:45] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 19:39:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:39:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:39:45] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 19:39:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:39:45] [INFO ] Deduced a trap composed of 18 places in 167 ms of which 16 ms to minimize.
[2025-06-01 19:39:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 191 ms
[2025-06-01 19:39:45] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:39:45] [INFO ] Added : 20 causal constraints over 5 iterations in 163 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Applied a total of 0 rules in 14 ms. Remains 115 /115 variables (removed 0) and now considering 279/279 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 115/115 places, 279/279 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Applied a total of 0 rules in 13 ms. Remains 115 /115 variables (removed 0) and now considering 279/279 (removed 0) transitions.
[2025-06-01 19:39:47] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:39:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:39:47] [INFO ] Implicit Places using invariants in 157 ms returned []
[2025-06-01 19:39:47] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:39:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:39:47] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:39:47] [INFO ] Implicit Places using invariants and state equation in 360 ms returned []
Implicit Place search using SMT with State Equation took 519 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:39:47] [INFO ] Redundant transitions in 5 ms returned []
Running 277 sub problems to find dead transitions.
[2025-06-01 19:39:47] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:39:47] [INFO ] Invariant cache hit.
[2025-06-01 19:39:47] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (OVERLAPS) 182/297 variables, 115/118 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 33/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (OVERLAPS) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 151 constraints, problems are : Problem set: 0 solved, 277 unsolved in 8346 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/115 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (OVERLAPS) 182/297 variables, 115/118 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 33/151 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 277/428 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:04] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:04] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:06] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 3/431 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/297 variables, and 431 constraints, problems are : Problem set: 0 solved, 277 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 38506ms problems are : Problem set: 0 solved, 277 unsolved
Search for dead transitions found 0 dead transitions in 38509ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39061 ms. Remains : 115/115 places, 279/279 transitions.
[2025-06-01 19:40:26] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {33=1, 39=1, 47=1, 92=1, 144=1, 180=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 90=1, 126=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 10) seen :[11, 10, 6, 8, 5, 3, 3, 6, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[33, 127, 129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[128, 128, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40001 steps (8 resets) in 1483 ms. (26 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 12/12 properties
[2025-06-01 19:40:27] [INFO ] Flatten gal took : 99 ms
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 12/12 properties
[2025-06-01 19:40:27] [INFO ] Flatten gal took : 66 ms
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 12/12 properties
[2025-06-01 19:40:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5845314627402447103.gal : 24 ms
[2025-06-01 19:40:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5374055958700644352.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5845314627402447103.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5374055958700644352.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 12/12 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5374055958700644352.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 31
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :31 after 1082
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :1082 after 205525
Interrupted probabilistic random walk after 239421 steps, run timeout after 3001 ms. (steps per millisecond=79 ) properties seen :0 out of 12
Probabilistic random walk after 239421 steps, saw 154674 distinct states, run finished after 3006 ms. (steps per millisecond=79 ) properties seen :0
[2025-06-01 19:40:30] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:40:30] [INFO ] Invariant cache hit.
[2025-06-01 19:40:30] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 46/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 102/158 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 81/239 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 28/107 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/251 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/251 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/251 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 41/292 variables, 31/141 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/292 variables, 5/146 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/292 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 5/297 variables, 5/151 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/297 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 151 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1176 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 46/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 102/158 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 81/239 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 28/107 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 12/119 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 4/123 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:40:32] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/239 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/239 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (OVERLAPS) 12/251 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/251 variables, 2/129 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/251 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (OVERLAPS) 41/292 variables, 31/160 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/292 variables, 5/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/292 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 19 (OVERLAPS) 5/297 variables, 5/170 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/297 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 21 (OVERLAPS) 0/297 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 170 constraints, problems are : Problem set: 0 solved, 12 unsolved in 2532 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 115/115 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 3718ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 11 different solutions.
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :205525 after 7.52046e+08
Parikh walk visited 6 properties in 37363 ms.
Support contains 6 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 113 transition count 273
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 113 transition count 273
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 111 transition count 269
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 111 transition count 269
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 109 transition count 261
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 109 transition count 261
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 107 transition count 257
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 107 transition count 257
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 105 transition count 253
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 105 transition count 253
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 103 transition count 249
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 103 transition count 249
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 101 transition count 245
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 101 transition count 245
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 99 transition count 241
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 99 transition count 241
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 34 place count 97 transition count 237
Iterating global reduction 0 with 2 rules applied. Total rules applied 36 place count 97 transition count 237
Applied a total of 36 rules in 33 ms. Remains 97 /115 variables (removed 18) and now considering 237/279 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 97/115 places, 237/279 transitions.
RANDOM walk for 40001 steps (8 resets) in 171 ms. (232 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 303565 steps, run timeout after 3001 ms. (steps per millisecond=101 ) properties seen :0 out of 6
Probabilistic random walk after 303565 steps, saw 196843 distinct states, run finished after 3001 ms. (steps per millisecond=101 ) properties seen :0
[2025-06-01 19:41:14] [INFO ] Flow matrix only has 152 transitions (discarded 85 similar events)
// Phase 1: matrix 152 rows 97 cols
[2025-06-01 19:41:14] [INFO ] Computed 3 invariants in 3 ms
[2025-06-01 19:41:14] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 15/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/122 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 10/132 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 101/233 variables, 61/92 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/233 variables, 23/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/233 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 6/239 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/239 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 10/249 variables, 11/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/249 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 249/249 variables, and 127 constraints, problems are : Problem set: 0 solved, 6 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 15/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/122 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 10/132 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 101/233 variables, 61/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/233 variables, 23/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:15] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/233 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/233 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 6/239 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/239 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 10/249 variables, 11/134 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:15] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:15] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/249 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 249/249 variables, and 136 constraints, problems are : Problem set: 0 solved, 6 unsolved in 857 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1202ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 2 different solutions.
Detected timeout of ITS tools.
[2025-06-01 19:41:17] [INFO ] Flatten gal took : 63 ms
[2025-06-01 19:41:17] [INFO ] Applying decomposition
[2025-06-01 19:41:17] [INFO ] Flatten gal took : 54 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3069321548493783843.txt' '-o' '/tmp/graph3069321548493783843.bin' '-w' '/tmp/graph3069321548493783843.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3069321548493783843.bin' '-l' '-1' '-v' '-w' '/tmp/graph3069321548493783843.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:41:17] [INFO ] Decomposing Gal with order
[2025-06-01 19:41:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:41:17] [INFO ] Removed a total of 475 redundant transitions.
[2025-06-01 19:41:17] [INFO ] Flatten gal took : 163 ms
[2025-06-01 19:41:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 153 labels/synchronizations in 26 ms.
[2025-06-01 19:41:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15898516742347773066.gal : 9 ms
[2025-06-01 19:41:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1898080325643808888.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15898516742347773066.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1898080325643808888.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1898080325643808888.prop.
Parikh walk visited 0 properties in 12929 ms.
Support contains 6 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 237/237 transitions.
Applied a total of 0 rules in 6 ms. Remains 97 /97 variables (removed 0) and now considering 237/237 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 97/97 places, 237/237 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 237/237 transitions.
Applied a total of 0 rules in 6 ms. Remains 97 /97 variables (removed 0) and now considering 237/237 (removed 0) transitions.
[2025-06-01 19:41:28] [INFO ] Flow matrix only has 152 transitions (discarded 85 similar events)
[2025-06-01 19:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:41:29] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-06-01 19:41:29] [INFO ] Flow matrix only has 152 transitions (discarded 85 similar events)
[2025-06-01 19:41:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:41:29] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 19:41:29] [INFO ] Implicit Places using invariants and state equation in 282 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:41:29] [INFO ] Redundant transitions in 3 ms returned []
Running 235 sub problems to find dead transitions.
[2025-06-01 19:41:29] [INFO ] Flow matrix only has 152 transitions (discarded 85 similar events)
[2025-06-01 19:41:29] [INFO ] Invariant cache hit.
[2025-06-01 19:41:29] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 2 (OVERLAPS) 152/249 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 235 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 27/127 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 5 (OVERLAPS) 0/249 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 235 unsolved
No progress, stopping.
After SMT solving in domain Real declared 249/249 variables, and 127 constraints, problems are : Problem set: 0 solved, 235 unsolved in 4919 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 235/235 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 235 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 2 (OVERLAPS) 152/249 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 27/127 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 235/362 constraints. Problems are: Problem set: 0 solved, 235 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:39] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:39] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:41:40] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/249 variables, 3/365 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/249 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 235 unsolved
At refinement iteration 7 (OVERLAPS) 0/249 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 235 unsolved
No progress, stopping.
After SMT solving in domain Int declared 249/249 variables, and 365 constraints, problems are : Problem set: 0 solved, 235 unsolved in 20727 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 235/235 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 25781ms problems are : Problem set: 0 solved, 235 unsolved
Search for dead transitions found 0 dead transitions in 25783ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26205 ms. Remains : 97/97 places, 237/237 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 85 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 93 rules applied. Total rules applied 93 place count 97 transition count 144
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 101 place count 89 transition count 144
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 101 place count 89 transition count 125
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 139 place count 70 transition count 125
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 171 place count 54 transition count 109
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 47 transition count 95
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 47 transition count 95
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 192 place count 40 transition count 81
Iterating global reduction 2 with 7 rules applied. Total rules applied 199 place count 40 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 206 place count 33 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 213 place count 33 transition count 67
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 220 place count 33 transition count 60
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 220 place count 33 transition count 59
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 222 place count 32 transition count 59
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 224 place count 31 transition count 61
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 225 place count 31 transition count 60
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 226 place count 31 transition count 60
Applied a total of 226 rules in 44 ms. Remains 31 /97 variables (removed 66) and now considering 60/237 (removed 177) transitions.
Running SMT prover for 6 properties.
// Phase 1: matrix 60 rows 31 cols
[2025-06-01 19:41:55] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:41:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:41:55] [INFO ] After 43ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4 real:2
[2025-06-01 19:41:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:41:55] [INFO ] After 23ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2025-06-01 19:41:55] [INFO ] After 112ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:41:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:41:55] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2025-06-01 19:41:55] [INFO ] After 25ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2025-06-01 19:41:55] [INFO ] After 57ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2025-06-01 19:41:55] [INFO ] After 169ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
[2025-06-01 19:41:55] [INFO ] Flatten gal took : 10 ms
[2025-06-01 19:41:55] [INFO ] Flatten gal took : 11 ms
[2025-06-01 19:41:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7928865128802912497.gal : 3 ms
[2025-06-01 19:41:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3996011866240900421.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7928865128802912497.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3996011866240900421.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3996011866240900421.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :759 after 67080
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :67080 after 1.90209e+06
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :1.90209e+06 after 1.25826e+08
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :1.25826e+08 after 9.70247e+09
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :9.70247e+09 after 5.52238e+11
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :5.52238e+11 after 2.40932e+13
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2025-06-01 19:42:10] [INFO ] Flatten gal took : 5 ms
[2025-06-01 19:42:10] [INFO ] Applying decomposition
[2025-06-01 19:42:10] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4959623693581594791.txt' '-o' '/tmp/graph4959623693581594791.bin' '-w' '/tmp/graph4959623693581594791.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4959623693581594791.bin' '-l' '-1' '-v' '-w' '/tmp/graph4959623693581594791.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:42:10] [INFO ] Decomposing Gal with order
[2025-06-01 19:42:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:42:10] [INFO ] Removed a total of 60 redundant transitions.
[2025-06-01 19:42:10] [INFO ] Flatten gal took : 9 ms
[2025-06-01 19:42:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 2 ms.
[2025-06-01 19:42:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4020233746873506385.gal : 2 ms
[2025-06-01 19:42:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4999508474494109336.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4020233746873506385.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4999508474494109336.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4999508474494109336.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :759 after 182534
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :182534 after 4.02068e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30475 ms.
FORMULA FunctionPointer-PT-b128-UpperBounds-04 128 TECHNIQUES REACHABILITY_MAX
FORMULA FunctionPointer-PT-b128-UpperBounds-03 128 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[129, 73, 38, 501, 84, 88, 85, 90] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:42:25] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:42:25] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 19:42:25] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:42:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:42:25] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:42:25] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 19:42:25] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:42:25] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 19:42:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:42:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:42:26] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 19:42:26] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 19:42:26] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 25 ms.
[2025-06-01 19:42:26] [INFO ] Added : 2 causal constraints over 1 iterations in 86 ms. Result :sat
Minimization took 70 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 109 transition count 265
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 109 transition count 265
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 109 transition count 263
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 19 place count 104 transition count 251
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 104 transition count 251
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 29 place count 99 transition count 237
Iterating global reduction 1 with 5 rules applied. Total rules applied 34 place count 99 transition count 237
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 39 place count 94 transition count 227
Iterating global reduction 1 with 5 rules applied. Total rules applied 44 place count 94 transition count 227
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 49 place count 89 transition count 217
Iterating global reduction 1 with 5 rules applied. Total rules applied 54 place count 89 transition count 217
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 59 place count 84 transition count 207
Iterating global reduction 1 with 5 rules applied. Total rules applied 64 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 67 place count 81 transition count 201
Iterating global reduction 1 with 3 rules applied. Total rules applied 70 place count 81 transition count 201
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 73 place count 78 transition count 195
Iterating global reduction 1 with 3 rules applied. Total rules applied 76 place count 78 transition count 195
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 78 place count 76 transition count 191
Iterating global reduction 1 with 2 rules applied. Total rules applied 80 place count 76 transition count 191
Applied a total of 80 rules in 36 ms. Remains 76 /115 variables (removed 39) and now considering 191/279 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 76/115 places, 191/279 transitions.
[2025-06-01 19:42:26] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 19:42:26] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 19:42:26] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000017 steps (2 resets) in 1106 ms. (903 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 731 ms. (1366 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129] Max Struct:[+inf]
[2025-06-01 19:42:28] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:42:28] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:42:28] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:42:28] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:42:28] [INFO ] [Real]Added 18 Read/Feed constraints in 9 ms returned sat
[2025-06-01 19:42:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:42:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:42:28] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 19:42:28] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:28] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:28] [INFO ] Deduced a trap composed of 13 places in 77 ms of which 7 ms to minimize.
[2025-06-01 19:42:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 164 ms
[2025-06-01 19:42:28] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:28] [INFO ] Deduced a trap composed of 20 places in 115 ms of which 11 ms to minimize.
[2025-06-01 19:42:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 135 ms
[2025-06-01 19:42:28] [INFO ] Added : 11 causal constraints over 4 iterations in 206 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[129] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 10 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 9 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 19:42:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:42:29] [INFO ] Implicit Places using invariants in 178 ms returned []
[2025-06-01 19:42:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:42:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:42:29] [INFO ] Implicit Places using invariants and state equation in 391 ms returned []
Implicit Place search using SMT with State Equation took 571 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:42:29] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 19:42:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:29] [INFO ] Invariant cache hit.
[2025-06-01 19:42:29] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4905 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:39] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:39] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:39] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:39] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:40] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:40] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 6/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 292 constraints, problems are : Problem set: 0 solved, 189 unsolved in 19070 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 24035ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 24035ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24623 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 19:42:53] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[129] Max Struct:[+inf]
[2025-06-01 19:42:53] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[129] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1256 ms. (795 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 743 ms. (1344 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129] Max Struct:[+inf]
[2025-06-01 19:42:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:42:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:42:56] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 19:42:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:42:56] [INFO ] [Real]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 19:42:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:42:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:42:56] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 19:42:56] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:56] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:56] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 8 ms to minimize.
[2025-06-01 19:42:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 167 ms
[2025-06-01 19:42:56] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:42:56] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 9 ms to minimize.
[2025-06-01 19:42:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 102 ms
[2025-06-01 19:42:56] [INFO ] Added : 11 causal constraints over 4 iterations in 172 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[129] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 7 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 19:42:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:42:56] [INFO ] Implicit Places using invariants in 168 ms returned []
[2025-06-01 19:42:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:42:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:42:57] [INFO ] Implicit Places using invariants and state equation in 401 ms returned []
Implicit Place search using SMT with State Equation took 571 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:42:57] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 19:42:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:42:57] [INFO ] Invariant cache hit.
[2025-06-01 19:42:57] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 5110 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:07] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:07] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:07] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:07] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:08] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:08] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 6/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 292 constraints, problems are : Problem set: 0 solved, 189 unsolved in 21481 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 26695ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 26696ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27287 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 19:43:24] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[129] Max Struct:[+inf]
[2025-06-01 19:43:24] [INFO ] Flatten gal took : 29 ms
RANDOM walk for 40000 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
[2025-06-01 19:43:24] [INFO ] Flatten gal took : 11 ms
[2025-06-01 19:43:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5311085686701536095.gal : 3 ms
[2025-06-01 19:43:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5573682003748395484.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5311085686701536095.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5573682003748395484.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality5573682003748395484.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 923
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :923 after 103738
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :103738 after 7.00547e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.00547e+07 after 4.05225e+11
Interrupted probabilistic random walk after 1521644 steps, run timeout after 3001 ms. (steps per millisecond=507 ) properties seen :0 out of 1
Probabilistic random walk after 1521644 steps, saw 982464 distinct states, run finished after 3001 ms. (steps per millisecond=507 ) properties seen :0
[2025-06-01 19:43:27] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:43:27] [INFO ] Invariant cache hit.
[2025-06-01 19:43:27] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 317ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 335 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40002 steps (8 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1602483 steps, run timeout after 3001 ms. (steps per millisecond=533 ) properties seen :0 out of 1
Probabilistic random walk after 1602483 steps, saw 1032780 distinct states, run finished after 3002 ms. (steps per millisecond=533 ) properties seen :0
[2025-06-01 19:43:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:43:30] [INFO ] Invariant cache hit.
[2025-06-01 19:43:30] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 308ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 253 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 19:43:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:43:31] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-06-01 19:43:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:43:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:43:31] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 381 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:43:31] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 19:43:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 19:43:31] [INFO ] Invariant cache hit.
[2025-06-01 19:43:31] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 3196 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4.05225e+11 after 2.08059e+16
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:43:39] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 6/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 292 constraints, problems are : Problem set: 0 solved, 189 unsolved in 15790 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 19043ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 19045ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19439 ms. Remains : 76/76 places, 191/191 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 110
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 88 place count 69 transition count 110
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 88 place count 69 transition count 97
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 114 place count 56 transition count 97
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 144 place count 41 transition count 82
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 2 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 20 transition count 40
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 193 place count 20 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 195 place count 19 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 197 place count 18 transition count 32
Applied a total of 197 rules in 16 ms. Remains 18 /76 variables (removed 58) and now considering 32/191 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 32 rows 18 cols
[2025-06-01 19:43:50] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:43:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:43:51] [INFO ] After 14ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:43:51] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:43:51] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:43:51] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:43:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:43:51] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:43:51] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:43:51] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:43:51] [INFO ] After 53ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:43:51] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:43:51] [INFO ] Flatten gal took : 3 ms
[2025-06-01 19:43:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13671091018746152597.gal : 1 ms
[2025-06-01 19:43:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15163252561718303094.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13671091018746152597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15163252561718303094.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15163252561718303094.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 188231
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :188231 after 9.48316e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.48316e+07 after 2.78362e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.78362e+08 after 6.45066e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.45066e+08 after 1.37812e+09
Detected timeout of ITS tools.
[2025-06-01 19:44:06] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:44:06] [INFO ] Applying decomposition
[2025-06-01 19:44:06] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8710339741291434330.txt' '-o' '/tmp/graph8710339741291434330.bin' '-w' '/tmp/graph8710339741291434330.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8710339741291434330.bin' '-l' '-1' '-v' '-w' '/tmp/graph8710339741291434330.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:44:06] [INFO ] Decomposing Gal with order
[2025-06-01 19:44:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:44:06] [INFO ] Removed a total of 23 redundant transitions.
[2025-06-01 19:44:06] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:44:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 19:44:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6329360687821209730.gal : 2 ms
[2025-06-01 19:44:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11119226961360646155.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6329360687821209730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11119226961360646155.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality11119226961360646155.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 3.62791e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.62791e+06 after 9.37834e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.37834e+07 after 2.77314e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.77314e+08 after 6.43661e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.43661e+08 after 1.37635e+09
Detected timeout of ITS tools.
[2025-06-01 19:44:14] [INFO ] Flatten gal took : 17 ms
[2025-06-01 19:44:14] [INFO ] Applying decomposition
[2025-06-01 19:44:14] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8025367745190666554.txt' '-o' '/tmp/graph8025367745190666554.bin' '-w' '/tmp/graph8025367745190666554.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8025367745190666554.bin' '-l' '-1' '-v' '-w' '/tmp/graph8025367745190666554.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:44:14] [INFO ] Decomposing Gal with order
[2025-06-01 19:44:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:44:14] [INFO ] Removed a total of 323 redundant transitions.
[2025-06-01 19:44:14] [INFO ] Flatten gal took : 24 ms
[2025-06-01 19:44:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 89 labels/synchronizations in 9 ms.
[2025-06-01 19:44:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4902844060402838126.gal : 3 ms
[2025-06-01 19:44:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12508675763454572175.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4902844060402838126.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12508675763454572175.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality12508675763454572175.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30213 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[129] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-05 in 115515 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:44:21] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:44:21] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 19:44:21] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:44:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:44:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:44:21] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2025-06-01 19:44:21] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:44:21] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 19:44:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:44:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:44:21] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 19:44:21] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:44:21] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 12 ms.
[2025-06-01 19:44:21] [INFO ] Added : 15 causal constraints over 4 iterations in 84 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 262
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 262
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 107 transition count 260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 103 transition count 250
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 103 transition count 250
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 99 transition count 238
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 99 transition count 238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 95 transition count 230
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 95 transition count 230
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 91 transition count 222
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 91 transition count 222
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 87 transition count 214
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 84 transition count 208
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 67 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 70 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 72 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 74 place count 79 transition count 198
Applied a total of 74 rules in 29 ms. Remains 79 /115 variables (removed 36) and now considering 198/279 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 79/115 places, 198/279 transitions.
[2025-06-01 19:44:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :[11]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 19:44:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 19:44:21] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1662 ms. (601 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 829 ms. (1204 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[698] Max Struct:[+inf]
[2025-06-01 19:44:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:44:24] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:44:24] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 19:44:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:44:24] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:44:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:44:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:44:24] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 19:44:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 19:44:24] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 10 ms.
[2025-06-01 19:44:24] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[698] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[698] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 19:44:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:44:24] [INFO ] Implicit Places using invariants in 126 ms returned []
[2025-06-01 19:44:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:44:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:44:25] [INFO ] Implicit Places using invariants and state equation in 385 ms returned []
Implicit Place search using SMT with State Equation took 513 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:44:25] [INFO ] Redundant transitions in 2 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 19:44:25] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:25] [INFO ] Invariant cache hit.
[2025-06-01 19:44:25] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:44:35] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:44:35] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:44:35] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:44:35] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:44:36] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 18658 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 24856ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 24858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25384 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 19:44:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[698] Max Struct:[+inf]
[2025-06-01 19:44:50] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[698] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1975 ms. (506 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 908 ms. (1100 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[702] Max Struct:[+inf]
[2025-06-01 19:44:52] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:44:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:44:53] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-06-01 19:44:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:44:53] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 19:44:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:44:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:44:53] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2025-06-01 19:44:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 19:44:53] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 15 ms.
[2025-06-01 19:44:53] [INFO ] Added : 10 causal constraints over 3 iterations in 81 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[702] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[702] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 6 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 5 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 19:44:53] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:44:53] [INFO ] Implicit Places using invariants in 181 ms returned []
[2025-06-01 19:44:53] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:44:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:44:53] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 611 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:44:53] [INFO ] Redundant transitions in 2 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 19:44:53] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:44:53] [INFO ] Invariant cache hit.
[2025-06-01 19:44:53] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 5300 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:04] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:04] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:04] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:04] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:05] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 19844 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 25221ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 25222ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25849 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 19:45:19] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[702] Max Struct:[+inf]
[2025-06-01 19:45:19] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[702] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1539 ms. (649 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 828 ms. (1206 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[702] Max Struct:[+inf]
[2025-06-01 19:45:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:45:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:45:21] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 19:45:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:45:21] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:45:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:45:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:45:21] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:45:21] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:45:21] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 10 ms.
[2025-06-01 19:45:21] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[702] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[702] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 19:45:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:45:22] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-06-01 19:45:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:45:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:45:22] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 435 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:45:22] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 19:45:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:22] [INFO ] Invariant cache hit.
[2025-06-01 19:45:22] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6666 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:34] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:34] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:34] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:34] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:35] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 21373 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 28128ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 28129ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28577 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 19:45:50] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[702] Max Struct:[+inf]
[2025-06-01 19:45:50] [INFO ] Flatten gal took : 11 ms
[2025-06-01 19:45:50] [INFO ] Flatten gal took : 10 ms
[2025-06-01 19:45:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13204192314803892688.gal : 3 ms
[2025-06-01 19:45:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17639142727021659102.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13204192314803892688.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17639142727021659102.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40007 steps (8 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality17639142727021659102.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1040
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1040 after 155244
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :155244 after 1.77406e+08
Interrupted probabilistic random walk after 1538656 steps, run timeout after 3001 ms. (steps per millisecond=512 ) properties seen :0 out of 1
Probabilistic random walk after 1538656 steps, saw 957628 distinct states, run finished after 3001 ms. (steps per millisecond=512 ) properties seen :0
[2025-06-01 19:45:53] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:53] [INFO ] Invariant cache hit.
[2025-06-01 19:45:53] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 320ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1083 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40000 steps (8 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.77406e+08 after 2.78305e+12
Interrupted probabilistic random walk after 1621756 steps, run timeout after 3001 ms. (steps per millisecond=540 ) properties seen :0 out of 1
Probabilistic random walk after 1621756 steps, saw 1009355 distinct states, run finished after 3001 ms. (steps per millisecond=540 ) properties seen :0
[2025-06-01 19:45:58] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:58] [INFO ] Invariant cache hit.
[2025-06-01 19:45:58] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:45:58] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 337ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1107 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 19:45:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:45:59] [INFO ] Implicit Places using invariants in 123 ms returned []
[2025-06-01 19:45:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:45:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:45:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:46:00] [INFO ] Implicit Places using invariants and state equation in 282 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:46:00] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 19:46:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:46:00] [INFO ] Invariant cache hit.
[2025-06-01 19:46:00] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:08] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:08] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:08] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:08] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:09] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.78305e+12 after 8.75832e+17
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 15913 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 20314ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 20315ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20732 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 14 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2025-06-01 19:46:20] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:46:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:46:20] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:46:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:46:20] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:46:20] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:46:20] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:46:20] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:46:20] [INFO ] After 51ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:46:20] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:46:20] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:46:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4015762693165346356.gal : 0 ms
[2025-06-01 19:46:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10379081015447887733.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4015762693165346356.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10379081015447887733.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10379081015447887733.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 441230
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :441230 after 6.32845e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.32845e+09 after 5.42758e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.42758e+10 after 2.91075e+11
Detected timeout of ITS tools.
[2025-06-01 19:46:35] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:46:35] [INFO ] Applying decomposition
[2025-06-01 19:46:35] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17854582720573039643.txt' '-o' '/tmp/graph17854582720573039643.bin' '-w' '/tmp/graph17854582720573039643.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17854582720573039643.bin' '-l' '-1' '-v' '-w' '/tmp/graph17854582720573039643.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:46:35] [INFO ] Decomposing Gal with order
[2025-06-01 19:46:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:46:35] [INFO ] Removed a total of 42 redundant transitions.
[2025-06-01 19:46:35] [INFO ] Flatten gal took : 5 ms
[2025-06-01 19:46:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 19:46:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12659303144519430481.gal : 1 ms
[2025-06-01 19:46:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1458642829348566090.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12659303144519430481.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1458642829348566090.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1458642829348566090.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
[2025-06-01 19:46:40] [INFO ] Flatten gal took : 10 ms
[2025-06-01 19:46:40] [INFO ] Applying decomposition
[2025-06-01 19:46:40] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4084305106605647944.txt' '-o' '/tmp/graph4084305106605647944.bin' '-w' '/tmp/graph4084305106605647944.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4084305106605647944.bin' '-l' '-1' '-v' '-w' '/tmp/graph4084305106605647944.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:46:40] [INFO ] Decomposing Gal with order
[2025-06-01 19:46:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:46:40] [INFO ] Removed a total of 333 redundant transitions.
[2025-06-01 19:46:40] [INFO ] Flatten gal took : 17 ms
[2025-06-01 19:46:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 105 labels/synchronizations in 7 ms.
[2025-06-01 19:46:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5906546553540233164.gal : 3 ms
[2025-06-01 19:46:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality921029028137195452.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5906546553540233164.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality921029028137195452.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality921029028137195452.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30194 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[702] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-06 in 149375 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:46:50] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:46:50] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 19:46:50] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:46:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:46:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:46:50] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2025-06-01 19:46:50] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:46:50] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:46:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:46:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:46:50] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-06-01 19:46:50] [INFO ] [Nat]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 19:46:50] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 13 ms.
[2025-06-01 19:46:50] [INFO ] Added : 17 causal constraints over 5 iterations in 106 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 262
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 262
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 107 transition count 260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 103 transition count 250
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 103 transition count 250
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 99 transition count 240
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 99 transition count 240
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 95 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 95 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 91 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 91 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 87 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 85 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 64 place count 83 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 66 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 82 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 82 transition count 206
Applied a total of 68 rules in 18 ms. Remains 82 /115 variables (removed 33) and now considering 206/279 (removed 73) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 82/115 places, 206/279 transitions.
[2025-06-01 19:46:51] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-01 19:46:51] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2025-06-01 19:46:51] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1585 ms. (630 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 866 ms. (1153 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[257] Max Struct:[+inf]
[2025-06-01 19:46:53] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:46:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:46:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:46:53] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 19:46:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:46:53] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:46:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:46:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:46:53] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2025-06-01 19:46:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:46:53] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 11 ms to minimize.
[2025-06-01 19:46:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 123 ms
[2025-06-01 19:46:53] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 14 ms.
[2025-06-01 19:46:54] [INFO ] Added : 19 causal constraints over 7 iterations in 136 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[257] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[257] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 19:46:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:46:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:46:55] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 19:46:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:46:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:46:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:46:55] [INFO ] Implicit Places using invariants and state equation in 232 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:46:55] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 19:46:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:46:55] [INFO ] Invariant cache hit.
[2025-06-01 19:46:55] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 6965 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:07] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:07] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:07] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:08] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:08] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:08] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20657 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 27671ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 27672ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28026 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 19:47:23] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[257] Max Struct:[+inf]
[2025-06-01 19:47:23] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[257] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1683 ms. (593 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 850 ms. (1175 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[265] Max Struct:[+inf]
[2025-06-01 19:47:26] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:47:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:47:26] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:47:26] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:47:26] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:47:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:47:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:47:26] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 19:47:26] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:26] [INFO ] Deduced a trap composed of 14 places in 90 ms of which 11 ms to minimize.
[2025-06-01 19:47:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2025-06-01 19:47:26] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 14 ms.
[2025-06-01 19:47:26] [INFO ] Added : 19 causal constraints over 7 iterations in 139 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[265] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[265] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 19:47:27] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:47:27] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-01 19:47:27] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:47:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:47:28] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:47:28] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 19:47:28] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:28] [INFO ] Invariant cache hit.
[2025-06-01 19:47:28] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 7584 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:40] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:40] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:40] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:41] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:41] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:41] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20250 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 27892ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 27893ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28252 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 19:47:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[265] Max Struct:[+inf]
[2025-06-01 19:47:56] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[265] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1614 ms. (619 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 854 ms. (1169 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[265] Max Struct:[+inf]
[2025-06-01 19:47:58] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:47:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:47:58] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:47:58] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:47:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:47:58] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:47:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:47:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:47:58] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:47:58] [INFO ] [Nat]Added 18 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:47:58] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 8 ms to minimize.
[2025-06-01 19:47:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2025-06-01 19:47:58] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 10 ms.
[2025-06-01 19:47:58] [INFO ] Added : 19 causal constraints over 7 iterations in 100 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[265] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[265] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 19:48:00] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:48:00] [INFO ] Implicit Places using invariants in 123 ms returned []
[2025-06-01 19:48:00] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:48:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:48:00] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:48:00] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 19:48:00] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:00] [INFO ] Invariant cache hit.
[2025-06-01 19:48:00] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 8214 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:14] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:14] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:14] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:14] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:15] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:15] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 21369 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 29670ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 29672ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30198 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 19:48:30] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[265] Max Struct:[+inf]
[2025-06-01 19:48:30] [INFO ] Flatten gal took : 20 ms
RANDOM walk for 40007 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
[2025-06-01 19:48:30] [INFO ] Flatten gal took : 12 ms
[2025-06-01 19:48:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8123040332326643971.gal : 2 ms
[2025-06-01 19:48:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15064191376997257623.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8123040332326643971.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15064191376997257623.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality15064191376997257623.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1045
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1045 after 158850
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :158850 after 1.90899e+08
Interrupted probabilistic random walk after 1481205 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1481205 steps, saw 921994 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2025-06-01 19:48:33] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:33] [INFO ] Invariant cache hit.
[2025-06-01 19:48:33] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 302ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 654 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40000 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.90899e+08 after 3.33897e+12
Interrupted probabilistic random walk after 1480378 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1480378 steps, saw 921478 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2025-06-01 19:48:37] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:37] [INFO ] Invariant cache hit.
[2025-06-01 19:48:37] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 340ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 813 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 19:48:38] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:48:38] [INFO ] Implicit Places using invariants in 131 ms returned []
[2025-06-01 19:48:38] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:48:38] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:48:39] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 397 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:48:39] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 19:48:39] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 19:48:39] [INFO ] Invariant cache hit.
[2025-06-01 19:48:39] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5657 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:48] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:48] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:48] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:49] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:49] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:48:49] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 15655 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21377ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 21378ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21785 ms. Remains : 82/82 places, 206/206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 126 place count 59 transition count 103
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 39
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 38
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 38
Applied a total of 211 rules in 21 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2025-06-01 19:49:00] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:49:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:49:00] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:49:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:49:00] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:49:00] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:49:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:49:00] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:49:00] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:49:00] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:49:00] [INFO ] After 50ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:49:00] [INFO ] Flatten gal took : 4 ms
[2025-06-01 19:49:00] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:49:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13446627914880746784.gal : 1 ms
[2025-06-01 19:49:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7218388161285829303.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13446627914880746784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7218388161285829303.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7218388161285829303.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 441230
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.33897e+12 after 1.28264e+18
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :441230 after 6.32845e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.32845e+09 after 5.42758e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.42758e+10 after 2.91075e+11
Detected timeout of ITS tools.
[2025-06-01 19:49:15] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:49:15] [INFO ] Applying decomposition
[2025-06-01 19:49:15] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15984156166120954882.txt' '-o' '/tmp/graph15984156166120954882.bin' '-w' '/tmp/graph15984156166120954882.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15984156166120954882.bin' '-l' '-1' '-v' '-w' '/tmp/graph15984156166120954882.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:49:15] [INFO ] Decomposing Gal with order
[2025-06-01 19:49:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:49:15] [INFO ] Removed a total of 35 redundant transitions.
[2025-06-01 19:49:15] [INFO ] Flatten gal took : 6 ms
[2025-06-01 19:49:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 1 ms.
[2025-06-01 19:49:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3692313662587253800.gal : 1 ms
[2025-06-01 19:49:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5825892114075308863.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3692313662587253800.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5825892114075308863.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5825892114075308863.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 141252
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :141252 after 1.45477e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.45477e+08 after 2.56471e+09
Detected timeout of ITS tools.
[2025-06-01 19:49:20] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:49:20] [INFO ] Applying decomposition
[2025-06-01 19:49:20] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6992925008871202223.txt' '-o' '/tmp/graph6992925008871202223.bin' '-w' '/tmp/graph6992925008871202223.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6992925008871202223.bin' '-l' '-1' '-v' '-w' '/tmp/graph6992925008871202223.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:49:20] [INFO ] Decomposing Gal with order
[2025-06-01 19:49:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:49:20] [INFO ] Removed a total of 349 redundant transitions.
[2025-06-01 19:49:20] [INFO ] Flatten gal took : 16 ms
[2025-06-01 19:49:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 99 labels/synchronizations in 5 ms.
[2025-06-01 19:49:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1624171197423153505.gal : 2 ms
[2025-06-01 19:49:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14331036969229916996.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1624171197423153505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14331036969229916996.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14331036969229916996.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30192 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[265] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-07 in 160087 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:49:30] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:49:30] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 19:49:30] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:49:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:49:30] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:49:30] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 19:49:30] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:49:30] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 19:49:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:49:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:49:30] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 19:49:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 19:49:31] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:49:31] [INFO ] Deduced a trap composed of 18 places in 149 ms of which 19 ms to minimize.
[2025-06-01 19:49:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2025-06-01 19:49:31] [INFO ] Added : 4 causal constraints over 3 iterations in 295 ms. Result :sat
Minimization took 61 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 262
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 262
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 21 place count 102 transition count 250
Iterating global reduction 1 with 5 rules applied. Total rules applied 26 place count 102 transition count 250
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 31 place count 97 transition count 236
Iterating global reduction 1 with 5 rules applied. Total rules applied 36 place count 97 transition count 236
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 41 place count 92 transition count 226
Iterating global reduction 1 with 5 rules applied. Total rules applied 46 place count 92 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 51 place count 87 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 56 place count 87 transition count 216
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 61 place count 82 transition count 206
Iterating global reduction 1 with 5 rules applied. Total rules applied 66 place count 82 transition count 206
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 69 place count 79 transition count 200
Iterating global reduction 1 with 3 rules applied. Total rules applied 72 place count 79 transition count 200
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 74 place count 77 transition count 196
Iterating global reduction 1 with 2 rules applied. Total rules applied 76 place count 77 transition count 196
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 78 place count 75 transition count 192
Iterating global reduction 1 with 2 rules applied. Total rules applied 80 place count 75 transition count 192
Applied a total of 80 rules in 26 ms. Remains 75 /115 variables (removed 40) and now considering 192/279 (removed 87) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 75/115 places, 192/279 transitions.
[2025-06-01 19:49:31] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 19:49:31] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2025-06-01 19:49:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1626 ms. (614 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 767 ms. (1302 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[981] Max Struct:[+inf]
[2025-06-01 19:49:33] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:49:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:49:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:49:34] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 19:49:34] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 19:49:34] [INFO ] [Real]Added 17 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:49:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:49:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:49:34] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-01 19:49:34] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2025-06-01 19:49:34] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 8 ms.
[2025-06-01 19:49:34] [INFO ] Added : 8 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[981] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[981] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 19:49:36] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:49:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:49:36] [INFO ] Implicit Places using invariants in 173 ms returned []
[2025-06-01 19:49:36] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:49:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:49:36] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 19:49:36] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:49:36] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 19:49:36] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:49:36] [INFO ] Invariant cache hit.
[2025-06-01 19:49:36] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 6069 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:49:49] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:49:49] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 19212 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 25353ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 25354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25907 ms. Remains : 75/75 places, 192/192 transitions.
[2025-06-01 19:50:02] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[981] Max Struct:[+inf]
[2025-06-01 19:50:02] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[981] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1354 ms. (738 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 762 ms. (1310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[981] Max Struct:[+inf]
[2025-06-01 19:50:04] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:50:04] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:50:04] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-01 19:50:04] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 19:50:04] [INFO ] [Real]Added 17 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:50:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:50:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:50:04] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-01 19:50:04] [INFO ] [Nat]Added 17 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:50:04] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 19:50:04] [INFO ] Added : 8 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[981] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[981] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 19:50:06] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:50:07] [INFO ] Implicit Places using invariants in 120 ms returned []
[2025-06-01 19:50:07] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:50:07] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 19:50:07] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 401 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:50:07] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 19:50:07] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:07] [INFO ] Invariant cache hit.
[2025-06-01 19:50:07] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 6014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:50:18] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:50:18] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 17352 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 23439ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 23440ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23854 ms. Remains : 75/75 places, 192/192 transitions.
[2025-06-01 19:50:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[981] Max Struct:[+inf]
[2025-06-01 19:50:30] [INFO ] Flatten gal took : 11 ms
RANDOM walk for 40008 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
[2025-06-01 19:50:30] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:50:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11304410225450178036.gal : 2 ms
[2025-06-01 19:50:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14044610336376062106.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11304410225450178036.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14044610336376062106.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality14044610336376062106.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1038
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1038 after 153135
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :153135 after 1.6579e+08
Interrupted probabilistic random walk after 1786494 steps, run timeout after 3001 ms. (steps per millisecond=595 ) properties seen :0 out of 1
Probabilistic random walk after 1786494 steps, saw 1117878 distinct states, run finished after 3001 ms. (steps per millisecond=595 ) properties seen :0
[2025-06-01 19:50:33] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:33] [INFO ] Invariant cache hit.
[2025-06-01 19:50:33] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.6579e+08 after 2.22957e+12
Parikh walk visited 0 properties in 932 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1766031 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1766031 steps, saw 1104988 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
[2025-06-01 19:50:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:38] [INFO ] Invariant cache hit.
[2025-06-01 19:50:38] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 266ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 944 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 19:50:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:50:39] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 19:50:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:50:39] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 19:50:39] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:50:39] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 19:50:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 19:50:39] [INFO ] Invariant cache hit.
[2025-06-01 19:50:39] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4393 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:50:48] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:50:48] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.22957e+12 after 5.06993e+17
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 13171 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 17606ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 17607ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17955 ms. Remains : 75/75 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 75 transition count 111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 87 place count 69 transition count 111
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 87 place count 69 transition count 100
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 109 place count 58 transition count 100
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 143 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 150 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 157 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 164 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 171 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 192 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 192 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 18 transition count 33
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 199 place count 18 transition count 30
Applied a total of 199 rules in 7 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2025-06-01 19:50:57] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:50:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:50:57] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:50:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:50:57] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:50:57] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:50:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:50:57] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:50:57] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:50:57] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:50:57] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:50:57] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:50:57] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:50:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7715491039735168126.gal : 1 ms
[2025-06-01 19:50:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1890245779495302720.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7715491039735168126.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1890245779495302720.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1890245779495302720.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 3.245e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.245e+06 after 3.70307e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.70307e+08 after 1.10371e+09
Detected timeout of ITS tools.
[2025-06-01 19:51:12] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:51:12] [INFO ] Applying decomposition
[2025-06-01 19:51:12] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12359301114710272058.txt' '-o' '/tmp/graph12359301114710272058.bin' '-w' '/tmp/graph12359301114710272058.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12359301114710272058.bin' '-l' '-1' '-v' '-w' '/tmp/graph12359301114710272058.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:51:12] [INFO ] Decomposing Gal with order
[2025-06-01 19:51:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:51:12] [INFO ] Removed a total of 22 redundant transitions.
[2025-06-01 19:51:12] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:51:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 19:51:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4868814708754129386.gal : 1 ms
[2025-06-01 19:51:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3659147186352662920.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4868814708754129386.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3659147186352662920.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3659147186352662920.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 81290
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :81290 after 4.73471e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.73471e+06 after 5.30059e+11
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.30059e+11 after 1.37705e+13
Detected timeout of ITS tools.
[2025-06-01 19:51:20] [INFO ] Flatten gal took : 6 ms
[2025-06-01 19:51:20] [INFO ] Applying decomposition
[2025-06-01 19:51:20] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9020044344105979509.txt' '-o' '/tmp/graph9020044344105979509.bin' '-w' '/tmp/graph9020044344105979509.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9020044344105979509.bin' '-l' '-1' '-v' '-w' '/tmp/graph9020044344105979509.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:51:20] [INFO ] Decomposing Gal with order
[2025-06-01 19:51:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:51:21] [INFO ] Removed a total of 322 redundant transitions.
[2025-06-01 19:51:21] [INFO ] Flatten gal took : 14 ms
[2025-06-01 19:51:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 104 labels/synchronizations in 6 ms.
[2025-06-01 19:51:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2919718100435586597.gal : 2 ms
[2025-06-01 19:51:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6648133124594113405.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2919718100435586597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6648133124594113405.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality6648133124594113405.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30160 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[981] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-08 in 116847 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:51:27] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:51:27] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 19:51:27] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:51:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:51:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:51:27] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2025-06-01 19:51:27] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:51:27] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2025-06-01 19:51:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:51:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:51:27] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 19:51:27] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:51:27] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 20 ms.
[2025-06-01 19:51:27] [INFO ] Added : 27 causal constraints over 7 iterations in 207 ms. Result :sat
Minimization took 103 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[127] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 264
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 264
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 107 transition count 262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 103 transition count 252
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 99 transition count 242
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 99 transition count 242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 95 transition count 234
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 95 transition count 234
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 91 transition count 226
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 91 transition count 226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 87 transition count 218
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 85 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 85 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 64 place count 83 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 66 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 82 transition count 208
Applied a total of 68 rules in 19 ms. Remains 82 /115 variables (removed 33) and now considering 208/279 (removed 71) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 82/115 places, 208/279 transitions.
[2025-06-01 19:51:28] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[127] Max Struct:[+inf]
[2025-06-01 19:51:28] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2025-06-01 19:51:28] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[127] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1715 ms. (582 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 876 ms. (1140 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[218] Max Struct:[+inf]
[2025-06-01 19:51:31] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:51:31] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:51:31] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:51:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:51:31] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:51:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:51:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:51:31] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:51:31] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:51:31] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 8 ms to minimize.
[2025-06-01 19:51:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2025-06-01 19:51:31] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 11 ms.
[2025-06-01 19:51:31] [INFO ] Added : 14 causal constraints over 4 iterations in 74 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[218] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[218] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 19:51:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:51:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:51:33] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-06-01 19:51:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:51:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:51:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:51:33] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:51:33] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 19:51:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:51:33] [INFO ] Invariant cache hit.
[2025-06-01 19:51:33] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 11587 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:51:51] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:51:51] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:51:51] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:51:52] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 4/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 313 constraints, problems are : Problem set: 0 solved, 206 unsolved in 21844 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 33481ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 33482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33851 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 19:52:07] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[218] Max Struct:[+inf]
[2025-06-01 19:52:07] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[218] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1601 ms. (624 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1107 ms. (902 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[223] Max Struct:[+inf]
[2025-06-01 19:52:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:52:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:52:09] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:52:09] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:52:09] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:52:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:52:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:52:10] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 19:52:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:10] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 7 ms to minimize.
[2025-06-01 19:52:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2025-06-01 19:52:10] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 19:52:10] [INFO ] Added : 14 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[223] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[223] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 11 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 19:52:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:52:11] [INFO ] Implicit Places using invariants in 127 ms returned []
[2025-06-01 19:52:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:52:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:52:12] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:52:12] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 19:52:12] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:12] [INFO ] Invariant cache hit.
[2025-06-01 19:52:12] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 12227 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:30] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:30] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:30] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:31] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 4/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 313 constraints, problems are : Problem set: 0 solved, 206 unsolved in 22239 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 34517ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 34518ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34919 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 19:52:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[223] Max Struct:[+inf]
[2025-06-01 19:52:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[223] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1577 ms. (633 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 887 ms. (1126 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[223] Max Struct:[+inf]
[2025-06-01 19:52:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:52:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:52:49] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:52:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:52:49] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:52:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:52:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:52:49] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:52:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:52:49] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 8 ms to minimize.
[2025-06-01 19:52:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2025-06-01 19:52:49] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 11 ms.
[2025-06-01 19:52:49] [INFO ] Added : 14 causal constraints over 4 iterations in 64 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[223] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[223] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 19:52:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:52:51] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-01 19:52:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:52:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:52:51] [INFO ] Implicit Places using invariants and state equation in 304 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:52:51] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 19:52:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:52:51] [INFO ] Invariant cache hit.
[2025-06-01 19:52:51] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 12136 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:09] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:09] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:09] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:10] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 4/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 313 constraints, problems are : Problem set: 0 solved, 206 unsolved in 21970 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 34189ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 34192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34639 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 19:53:25] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[223] Max Struct:[+inf]
[2025-06-01 19:53:25] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:53:25] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:53:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5025432418266347813.gal : 2 ms
[2025-06-01 19:53:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13612839208663281149.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5025432418266347813.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13612839208663281149.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40006 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality13612839208663281149.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1047
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1047 after 160832
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :160832 after 2.00155e+08
Interrupted probabilistic random walk after 1572366 steps, run timeout after 3001 ms. (steps per millisecond=523 ) properties seen :0 out of 1
Probabilistic random walk after 1572366 steps, saw 978610 distinct states, run finished after 3001 ms. (steps per millisecond=523 ) properties seen :0
[2025-06-01 19:53:28] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:53:28] [INFO ] Invariant cache hit.
[2025-06-01 19:53:28] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:29] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/209 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/209 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/210 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 326ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 537 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40000 steps (8 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.00155e+08 after 3.8152e+12
Interrupted probabilistic random walk after 1683880 steps, run timeout after 3001 ms. (steps per millisecond=561 ) properties seen :0 out of 1
Probabilistic random walk after 1683880 steps, saw 1048022 distinct states, run finished after 3001 ms. (steps per millisecond=561 ) properties seen :0
[2025-06-01 19:53:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:53:32] [INFO ] Invariant cache hit.
[2025-06-01 19:53:32] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:32] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/209 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/209 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/210 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 325ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 535 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 19:53:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:53:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:53:33] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-01 19:53:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:53:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:53:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:53:33] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 327 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:53:33] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 19:53:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 19:53:33] [INFO ] Invariant cache hit.
[2025-06-01 19:53:33] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7325 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:45] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:45] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:45] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:53:45] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 4/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.8152e+12 after 1.73994e+18
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 313 constraints, problems are : Problem set: 0 solved, 206 unsolved in 15988 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 23365ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 23366ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23704 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 11 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2025-06-01 19:53:57] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:53:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:53:57] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:53:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:53:57] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:53:57] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:53:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:53:57] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:53:57] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:53:57] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:53:57] [INFO ] After 50ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:53:57] [INFO ] Flatten gal took : 6 ms
[2025-06-01 19:53:57] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:53:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16831560480920565848.gal : 0 ms
[2025-06-01 19:53:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7175563218579404023.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16831560480920565848.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7175563218579404023.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7175563218579404023.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 441230
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :441230 after 6.32845e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.32845e+09 after 5.42758e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.42758e+10 after 2.91075e+11
Detected timeout of ITS tools.
[2025-06-01 19:54:12] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:54:12] [INFO ] Applying decomposition
[2025-06-01 19:54:12] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14825151497360140875.txt' '-o' '/tmp/graph14825151497360140875.bin' '-w' '/tmp/graph14825151497360140875.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14825151497360140875.bin' '-l' '-1' '-v' '-w' '/tmp/graph14825151497360140875.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:54:12] [INFO ] Decomposing Gal with order
[2025-06-01 19:54:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:54:12] [INFO ] Removed a total of 47 redundant transitions.
[2025-06-01 19:54:12] [INFO ] Flatten gal took : 8 ms
[2025-06-01 19:54:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 19:54:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14258533829872061518.gal : 1 ms
[2025-06-01 19:54:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5093210779092502618.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14258533829872061518.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5093210779092502618.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5093210779092502618.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 124612
Detected timeout of ITS tools.
[2025-06-01 19:54:15] [INFO ] Flatten gal took : 7 ms
[2025-06-01 19:54:15] [INFO ] Applying decomposition
[2025-06-01 19:54:15] [INFO ] Flatten gal took : 15 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15080371477767768043.txt' '-o' '/tmp/graph15080371477767768043.bin' '-w' '/tmp/graph15080371477767768043.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15080371477767768043.bin' '-l' '-1' '-v' '-w' '/tmp/graph15080371477767768043.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:54:15] [INFO ] Decomposing Gal with order
[2025-06-01 19:54:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:54:15] [INFO ] Removed a total of 355 redundant transitions.
[2025-06-01 19:54:15] [INFO ] Flatten gal took : 31 ms
[2025-06-01 19:54:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 116 labels/synchronizations in 9 ms.
[2025-06-01 19:54:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17942227097025376491.gal : 2 ms
[2025-06-01 19:54:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6503307030394148619.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17942227097025376491.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6503307030394148619.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6503307030394148619.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30210 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[223] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-09 in 179975 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:54:27] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:54:27] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10011 steps (2 resets) in 17 ms. (556 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14] Max Struct:[+inf]
[2025-06-01 19:54:27] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:54:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:54:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:54:27] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-06-01 19:54:27] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:54:27] [INFO ] [Real]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 19:54:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:54:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:54:27] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 19:54:27] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 19:54:27] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 17 ms.
[2025-06-01 19:54:27] [INFO ] Added : 9 causal constraints over 3 iterations in 93 ms. Result :sat
Minimization took 96 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 106 transition count 260
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 106 transition count 260
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 20 place count 106 transition count 258
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 25 place count 101 transition count 246
Iterating global reduction 2 with 5 rules applied. Total rules applied 30 place count 101 transition count 246
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 35 place count 96 transition count 232
Iterating global reduction 2 with 5 rules applied. Total rules applied 40 place count 96 transition count 232
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 45 place count 91 transition count 222
Iterating global reduction 2 with 5 rules applied. Total rules applied 50 place count 91 transition count 222
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 55 place count 86 transition count 212
Iterating global reduction 2 with 5 rules applied. Total rules applied 60 place count 86 transition count 212
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 65 place count 81 transition count 202
Iterating global reduction 2 with 5 rules applied. Total rules applied 70 place count 81 transition count 202
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 73 place count 78 transition count 196
Iterating global reduction 2 with 3 rules applied. Total rules applied 76 place count 78 transition count 196
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 79 place count 75 transition count 190
Iterating global reduction 2 with 3 rules applied. Total rules applied 82 place count 75 transition count 190
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 84 place count 73 transition count 186
Iterating global reduction 2 with 2 rules applied. Total rules applied 86 place count 73 transition count 186
Applied a total of 86 rules in 18 ms. Remains 73 /115 variables (removed 42) and now considering 186/279 (removed 93) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 73/115 places, 186/279 transitions.
[2025-06-01 19:54:27] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
[2025-06-01 19:54:28] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
// Phase 1: matrix 112 rows 73 cols
[2025-06-01 19:54:28] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1577 ms. (633 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 679 ms. (1470 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[846] Max Struct:[+inf]
[2025-06-01 19:54:30] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:54:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:54:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:54:30] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-01 19:54:30] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 19:54:30] [INFO ] [Real]Added 15 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:54:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:54:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:54:30] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-01 19:54:30] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:30] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:30] [INFO ] Deduced a trap composed of 20 places in 64 ms of which 4 ms to minimize.
[2025-06-01 19:54:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 144 ms
[2025-06-01 19:54:30] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 7 ms.
[2025-06-01 19:54:30] [INFO ] Added : 28 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[846] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[846] Max Struct:[+inf]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 7 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-06-01 19:54:33] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:54:33] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 19:54:33] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:54:33] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 19:54:33] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:54:33] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2025-06-01 19:54:33] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:54:33] [INFO ] Invariant cache hit.
[2025-06-01 19:54:33] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 8160 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:46] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:46] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:46] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:47] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:48] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 5/280 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:54:51] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 1/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/185 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (OVERLAPS) 0/185 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 282 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 38211ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 38212ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38573 ms. Remains : 73/73 places, 186/186 transitions.
[2025-06-01 19:55:12] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[846] Max Struct:[+inf]
[2025-06-01 19:55:12] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[846] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 1330 ms. (751 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 697 ms. (1432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[846] Max Struct:[+inf]
[2025-06-01 19:55:14] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:55:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:55:14] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-01 19:55:14] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 19:55:14] [INFO ] [Real]Added 15 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:55:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:55:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:55:14] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-06-01 19:55:14] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:14] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:14] [INFO ] Deduced a trap composed of 20 places in 64 ms of which 4 ms to minimize.
[2025-06-01 19:55:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 144 ms
[2025-06-01 19:55:14] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 8 ms.
[2025-06-01 19:55:14] [INFO ] Added : 28 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 56 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[846] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[846] Max Struct:[+inf]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-06-01 19:55:17] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:55:17] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-01 19:55:17] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:55:17] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 19:55:18] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 533 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:55:18] [INFO ] Redundant transitions in 2 ms returned []
Running 184 sub problems to find dead transitions.
[2025-06-01 19:55:18] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:18] [INFO ] Invariant cache hit.
[2025-06-01 19:55:18] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 8258 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:31] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:31] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:31] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:32] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:33] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 5/280 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:36] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 1/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:55:47] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/185 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 185/185 variables, and 282 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 38333ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 38335ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38879 ms. Remains : 73/73 places, 186/186 transitions.
[2025-06-01 19:55:56] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[846] Max Struct:[+inf]
[2025-06-01 19:55:56] [INFO ] Flatten gal took : 9 ms
[2025-06-01 19:55:56] [INFO ] Flatten gal took : 8 ms
[2025-06-01 19:55:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10546032081598313985.gal : 1 ms
[2025-06-01 19:55:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16122333611508653112.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10546032081598313985.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16122333611508653112.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (8 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16122333611508653112.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 923
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :923 after 103738
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :103738 after 7.00547e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.00547e+07 after 4.05225e+11
Interrupted probabilistic random walk after 1632770 steps, run timeout after 3001 ms. (steps per millisecond=544 ) properties seen :0 out of 1
Probabilistic random walk after 1632770 steps, saw 988760 distinct states, run finished after 3001 ms. (steps per millisecond=544 ) properties seen :0
[2025-06-01 19:55:59] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:55:59] [INFO ] Invariant cache hit.
[2025-06-01 19:55:59] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 91/165 variables, 52/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 14/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/171 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/171 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/182 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/185 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/74 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 91/165 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 14/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/171 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/171 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/182 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/185 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:00] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:00] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/185 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2806 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 73/73 places, 186/186 transitions.
RANDOM walk for 40000 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1763904 steps, run timeout after 3001 ms. (steps per millisecond=587 ) properties seen :0 out of 1
Probabilistic random walk after 1763904 steps, saw 1070384 distinct states, run finished after 3001 ms. (steps per millisecond=587 ) properties seen :0
[2025-06-01 19:56:06] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:56:06] [INFO ] Invariant cache hit.
[2025-06-01 19:56:06] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 91/165 variables, 52/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 14/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/171 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/171 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/182 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/185 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/74 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 91/165 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 14/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/171 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/171 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/182 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/185 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:06] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:06] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/185 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 291ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2672 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-06-01 19:56:08] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:56:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:56:09] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 19:56:09] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:56:09] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 19:56:09] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:56:09] [INFO ] Redundant transitions in 1 ms returned []
Running 184 sub problems to find dead transitions.
[2025-06-01 19:56:09] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2025-06-01 19:56:09] [INFO ] Invariant cache hit.
[2025-06-01 19:56:09] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
SDD size :4.05225e+11 after 2.08059e+16
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 5061 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:18] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:18] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:18] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:18] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:18] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 5/280 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:21] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 1/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:56:29] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/185 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (OVERLAPS) 0/185 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 282 constraints, problems are : Problem set: 0 solved, 184 unsolved in 26096 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 31199ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 31199ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31550 ms. Remains : 73/73 places, 186/186 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 73 transition count 106
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 86 place count 67 transition count 106
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 86 place count 67 transition count 94
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 110 place count 55 transition count 94
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 140 place count 40 transition count 79
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 147 place count 33 transition count 65
Iterating global reduction 2 with 7 rules applied. Total rules applied 154 place count 33 transition count 65
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 161 place count 26 transition count 51
Iterating global reduction 2 with 7 rules applied. Total rules applied 168 place count 26 transition count 51
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 175 place count 19 transition count 37
Iterating global reduction 2 with 7 rules applied. Total rules applied 182 place count 19 transition count 37
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 189 place count 19 transition count 30
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 189 place count 19 transition count 29
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 191 place count 18 transition count 29
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 193 place count 17 transition count 29
Applied a total of 193 rules in 7 ms. Remains 17 /73 variables (removed 56) and now considering 29/186 (removed 157) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2025-06-01 19:56:40] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:56:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:56:40] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:56:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:56:40] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:56:40] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:56:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:56:40] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:56:40] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:56:40] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:56:40] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:56:40] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:56:40] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:56:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality894047546485224209.gal : 0 ms
[2025-06-01 19:56:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5269846880610161762.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality894047546485224209.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5269846880610161762.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality5269846880610161762.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 188231
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :188231 after 9.48316e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.48316e+07 after 2.78362e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.78362e+08 after 6.45066e+08
Detected timeout of ITS tools.
[2025-06-01 19:56:46] [INFO ] Flatten gal took : 4 ms
[2025-06-01 19:56:46] [INFO ] Applying decomposition
[2025-06-01 19:56:46] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17679664608792170925.txt' '-o' '/tmp/graph17679664608792170925.bin' '-w' '/tmp/graph17679664608792170925.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17679664608792170925.bin' '-l' '-1' '-v' '-w' '/tmp/graph17679664608792170925.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:56:46] [INFO ] Decomposing Gal with order
[2025-06-01 19:56:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:56:46] [INFO ] Removed a total of 315 redundant transitions.
[2025-06-01 19:56:46] [INFO ] Flatten gal took : 11 ms
[2025-06-01 19:56:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 90 labels/synchronizations in 3 ms.
[2025-06-01 19:56:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3687038148472874045.gal : 1 ms
[2025-06-01 19:56:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5772822027394777624.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3687038148472874045.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5772822027394777624.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5772822027394777624.prop.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.45066e+08 after 1.37812e+09
Detected timeout of ITS tools.
[2025-06-01 19:56:55] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:56:55] [INFO ] Applying decomposition
[2025-06-01 19:56:55] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8238671511795141510.txt' '-o' '/tmp/graph8238671511795141510.bin' '-w' '/tmp/graph8238671511795141510.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8238671511795141510.bin' '-l' '-1' '-v' '-w' '/tmp/graph8238671511795141510.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:56:55] [INFO ] Decomposing Gal with order
[2025-06-01 19:56:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:56:55] [INFO ] Removed a total of 24 redundant transitions.
[2025-06-01 19:56:55] [INFO ] Flatten gal took : 3 ms
[2025-06-01 19:56:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 19:56:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5541362097173940862.gal : 1 ms
[2025-06-01 19:56:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9307089682138493180.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5541362097173940862.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9307089682138493180.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9307089682138493180.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 66563
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :66563 after 3.62185e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30151 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[846] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-10 in 163226 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:57:10] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:57:10] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 19:57:10] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:57:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:57:10] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:57:10] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-06-01 19:57:10] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:57:10] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2025-06-01 19:57:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:57:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:57:10] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 19:57:10] [INFO ] [Nat]Added 33 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:11] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 9 ms to minimize.
[2025-06-01 19:57:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 100 ms
[2025-06-01 19:57:11] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 13 ms.
[2025-06-01 19:57:11] [INFO ] Added : 31 causal constraints over 7 iterations in 119 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 262
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 262
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 107 transition count 260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 103 transition count 252
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 99 transition count 240
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 99 transition count 240
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 95 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 95 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 91 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 91 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 87 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 85 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 64 place count 83 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 66 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 81 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 81 transition count 204
Applied a total of 70 rules in 28 ms. Remains 81 /115 variables (removed 34) and now considering 204/279 (removed 75) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 81/115 places, 204/279 transitions.
[2025-06-01 19:57:11] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 19:57:11] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2025-06-01 19:57:11] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1767 ms. (565 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 834 ms. (1197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[576] Max Struct:[+inf]
[2025-06-01 19:57:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:57:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:57:14] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 19:57:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:57:14] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 19:57:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:57:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:57:14] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 19:57:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:14] [INFO ] Deduced a trap composed of 14 places in 121 ms of which 12 ms to minimize.
[2025-06-01 19:57:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 138 ms
[2025-06-01 19:57:14] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 13 ms.
[2025-06-01 19:57:14] [INFO ] Added : 17 causal constraints over 4 iterations in 99 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[576] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[576] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 19:57:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:57:16] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 19:57:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:57:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:57:17] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 341 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:57:17] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 19:57:17] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:17] [INFO ] Invariant cache hit.
[2025-06-01 19:57:17] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 8234 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:30] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:30] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:30] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:31] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 19877 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 28159ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 28159ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28508 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 19:57:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[576] Max Struct:[+inf]
[2025-06-01 19:57:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[576] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1449 ms. (689 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 848 ms. (1177 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 19:57:47] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:57:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:57:47] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-06-01 19:57:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:57:47] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 19:57:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:57:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 19:57:47] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 19:57:47] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:57:48] [INFO ] Deduced a trap composed of 14 places in 109 ms of which 13 ms to minimize.
[2025-06-01 19:57:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2025-06-01 19:57:48] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 13 ms.
[2025-06-01 19:57:48] [INFO ] Added : 17 causal constraints over 4 iterations in 100 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[631] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[631] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 19:57:50] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:57:50] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-06-01 19:57:50] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:57:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:57:51] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 521 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:57:51] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 19:57:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:57:51] [INFO ] Invariant cache hit.
[2025-06-01 19:57:51] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 7059 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:04] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:04] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:04] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:04] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 22053 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 29193ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 29194ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29727 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 19:58:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 19:58:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[631] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1513 ms. (660 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 851 ms. (1173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 19:58:22] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:58:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:58:22] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:58:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:58:22] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:58:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:58:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:58:22] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 19:58:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:23] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 7 ms to minimize.
[2025-06-01 19:58:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2025-06-01 19:58:23] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 9 ms.
[2025-06-01 19:58:23] [INFO ] Added : 17 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[631] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[631] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 19:58:25] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:58:25] [INFO ] Implicit Places using invariants in 121 ms returned []
[2025-06-01 19:58:25] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:58:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:58:26] [INFO ] Implicit Places using invariants and state equation in 378 ms returned []
Implicit Place search using SMT with State Equation took 501 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:58:26] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 19:58:26] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:26] [INFO ] Invariant cache hit.
[2025-06-01 19:58:26] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 7469 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:39] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:39] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:39] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:58:39] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 20610 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 28158ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 28159ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28671 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 19:58:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 19:58:54] [INFO ] Flatten gal took : 6 ms
[2025-06-01 19:58:54] [INFO ] Flatten gal took : 5 ms
[2025-06-01 19:58:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8783306308441870081.gal : 2 ms
[2025-06-01 19:58:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4934220531885120139.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8783306308441870081.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4934220531885120139.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality4934220531885120139.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1045
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1045 after 158850
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :158850 after 1.90899e+08
Interrupted probabilistic random walk after 1596359 steps, run timeout after 3001 ms. (steps per millisecond=531 ) properties seen :0 out of 1
Probabilistic random walk after 1596359 steps, saw 1020300 distinct states, run finished after 3001 ms. (steps per millisecond=531 ) properties seen :0
[2025-06-01 19:58:57] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:58:57] [INFO ] Invariant cache hit.
[2025-06-01 19:58:57] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 269ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1160 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40000 steps (8 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.90899e+08 after 3.33897e+12
Interrupted probabilistic random walk after 1736886 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1736886 steps, saw 1116762 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
[2025-06-01 19:59:01] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:59:01] [INFO ] Invariant cache hit.
[2025-06-01 19:59:01] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1170 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 19:59:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:59:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:59:03] [INFO ] Implicit Places using invariants in 120 ms returned []
[2025-06-01 19:59:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:59:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 19:59:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:59:03] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 19:59:03] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 19:59:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 19:59:03] [INFO ] Invariant cache hit.
[2025-06-01 19:59:03] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 5345 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:59:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:59:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:59:13] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:59:13] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 15020 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 20437ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 20438ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20821 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 7 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2025-06-01 19:59:24] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:59:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 19:59:24] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 19:59:24] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 19:59:24] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 19:59:24] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 19:59:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 19:59:24] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 19:59:24] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 19:59:24] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:59:24] [INFO ] After 47ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 19:59:24] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:59:24] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:59:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2216506703774677499.gal : 1 ms
[2025-06-01 19:59:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9335323121216961839.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2216506703774677499.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9335323121216961839.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9335323121216961839.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 441230
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.33897e+12 after 1.28264e+18
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :441230 after 6.32845e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.32845e+09 after 5.42758e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.42758e+10 after 2.91075e+11
Detected timeout of ITS tools.
[2025-06-01 19:59:39] [INFO ] Flatten gal took : 1 ms
[2025-06-01 19:59:39] [INFO ] Applying decomposition
[2025-06-01 19:59:39] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph11931452712125259007.txt' '-o' '/tmp/graph11931452712125259007.bin' '-w' '/tmp/graph11931452712125259007.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11931452712125259007.bin' '-l' '-1' '-v' '-w' '/tmp/graph11931452712125259007.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:59:39] [INFO ] Decomposing Gal with order
[2025-06-01 19:59:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:59:39] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 19:59:39] [INFO ] Flatten gal took : 3 ms
[2025-06-01 19:59:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 0 ms.
[2025-06-01 19:59:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7731627647849887680.gal : 1 ms
[2025-06-01 19:59:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3896265711020860207.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7731627647849887680.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3896265711020860207.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3896265711020860207.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 6.82324e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.82324e+06 after 2.73822e+08
Detected timeout of ITS tools.
[2025-06-01 19:59:44] [INFO ] Flatten gal took : 4 ms
[2025-06-01 19:59:44] [INFO ] Applying decomposition
[2025-06-01 19:59:44] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1115420137911215133.txt' '-o' '/tmp/graph1115420137911215133.bin' '-w' '/tmp/graph1115420137911215133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1115420137911215133.bin' '-l' '-1' '-v' '-w' '/tmp/graph1115420137911215133.weights' '-q' '0' '-e' '0.001'
[2025-06-01 19:59:44] [INFO ] Decomposing Gal with order
[2025-06-01 19:59:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 19:59:44] [INFO ] Removed a total of 347 redundant transitions.
[2025-06-01 19:59:44] [INFO ] Flatten gal took : 11 ms
[2025-06-01 19:59:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 110 labels/synchronizations in 3 ms.
[2025-06-01 19:59:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15598453677083768389.gal : 2 ms
[2025-06-01 19:59:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14848705109772374992.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15598453677083768389.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14848705109772374992.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14848705109772374992.prop.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.73822e+08 after 2.29667e+09
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30160 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[631] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-13 in 163597 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 19:59:54] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
// Phase 1: matrix 182 rows 115 cols
[2025-06-01 19:59:54] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 19:59:54] [INFO ] Flow matrix only has 182 transitions (discarded 97 similar events)
[2025-06-01 19:59:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:59:54] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:59:54] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-06-01 19:59:54] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 19:59:54] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2025-06-01 19:59:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:59:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:59:54] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-06-01 19:59:54] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 19:59:54] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 9 ms to minimize.
[2025-06-01 19:59:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2025-06-01 19:59:54] [INFO ] Computed and/alt/rep : 57/292/55 causal constraints (skipped 125 transitions) in 11 ms.
[2025-06-01 19:59:54] [INFO ] Added : 20 causal constraints over 5 iterations in 106 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 279/279 transitions.
Graph (complete) has 477 edges and 115 vertex of which 112 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 112 transition count 274
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 107 transition count 262
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 107 transition count 262
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 107 transition count 260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 103 transition count 250
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 103 transition count 250
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 99 transition count 238
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 99 transition count 238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 95 transition count 230
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 95 transition count 230
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 91 transition count 222
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 91 transition count 222
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 87 transition count 214
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 84 transition count 208
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 67 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 70 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 72 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 74 place count 79 transition count 198
Applied a total of 74 rules in 22 ms. Remains 79 /115 variables (removed 36) and now considering 198/279 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 79/115 places, 198/279 transitions.
[2025-06-01 19:59:54] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 19:59:55] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 19:59:55] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1631 ms. (612 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 821 ms. (1216 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[698] Max Struct:[+inf]
[2025-06-01 19:59:57] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 19:59:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:59:57] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:59:57] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-01 19:59:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 19:59:57] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 19:59:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:59:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 19:59:57] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 19:59:57] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 19:59:57] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 9 ms.
[2025-06-01 19:59:57] [INFO ] Added : 12 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[698] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[698] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 20:00:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:00:00] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 20:00:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:00:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:00:00] [INFO ] Implicit Places using invariants and state equation in 281 ms returned []
Implicit Place search using SMT with State Equation took 392 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:00:00] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 20:00:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:00] [INFO ] Invariant cache hit.
[2025-06-01 20:00:00] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6114 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:12] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:12] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:12] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:13] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:13] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 21658 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 27823ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 27824ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28224 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 20:00:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[698] Max Struct:[+inf]
[2025-06-01 20:00:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[698] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1480 ms. (675 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 817 ms. (1222 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[704] Max Struct:[+inf]
[2025-06-01 20:00:30] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 20:00:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 20:00:30] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 20:00:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:00:30] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 20:00:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 20:00:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 20:00:30] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-06-01 20:00:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 20:00:30] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 8 ms.
[2025-06-01 20:00:30] [INFO ] Added : 12 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[704] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[704] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 20:00:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:00:33] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 20:00:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:00:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:00:33] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 360 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:00:33] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 20:00:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:33] [INFO ] Invariant cache hit.
[2025-06-01 20:00:33] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6624 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:45] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:45] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:45] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:45] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:00:46] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 18383 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 25052ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 25053ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25423 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 20:00:58] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[704] Max Struct:[+inf]
[2025-06-01 20:00:58] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:00:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[704] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1378 ms. (725 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 819 ms. (1219 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[704] Max Struct:[+inf]
[2025-06-01 20:01:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 20:01:00] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 20:01:01] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 20:01:01] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:01:01] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 20:01:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 20:01:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 20:01:01] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 20:01:01] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 20:01:01] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 10 ms.
[2025-06-01 20:01:01] [INFO ] Added : 12 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[704] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[704] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 20:01:03] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:01:03] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 20:01:03] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:01:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:01:03] [INFO ] Implicit Places using invariants and state equation in 284 ms returned []
Implicit Place search using SMT with State Equation took 395 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:01:03] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 20:01:03] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:03] [INFO ] Invariant cache hit.
[2025-06-01 20:01:03] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6145 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:14] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:14] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:14] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:15] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:15] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 18836 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 25038ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 25039ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25442 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 20:01:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[704] Max Struct:[+inf]
[2025-06-01 20:01:29] [INFO ] Flatten gal took : 5 ms
[2025-06-01 20:01:29] [INFO ] Flatten gal took : 5 ms
[2025-06-01 20:01:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18040806353470150415.gal : 1 ms
[2025-06-01 20:01:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16825075722421789018.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18040806353470150415.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16825075722421789018.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40003 steps (8 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16825075722421789018.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1040
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1040 after 155244
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :155244 after 1.77406e+08
Interrupted probabilistic random walk after 1619365 steps, run timeout after 3001 ms. (steps per millisecond=539 ) properties seen :0 out of 1
Probabilistic random walk after 1619365 steps, saw 1007864 distinct states, run finished after 3001 ms. (steps per millisecond=539 ) properties seen :0
[2025-06-01 20:01:32] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:32] [INFO ] Invariant cache hit.
[2025-06-01 20:01:32] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:32] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:32] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:32] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:32] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 3/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/201 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/201 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 252 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 372ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.77406e+08 after 2.78305e+12
Parikh walk visited 0 properties in 1103 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40000 steps (8 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1741878 steps, run timeout after 3001 ms. (steps per millisecond=580 ) properties seen :0 out of 1
Probabilistic random walk after 1741878 steps, saw 1084124 distinct states, run finished after 3001 ms. (steps per millisecond=580 ) properties seen :0
[2025-06-01 20:01:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:36] [INFO ] Invariant cache hit.
[2025-06-01 20:01:36] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:36] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:36] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:36] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:36] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 3/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/201 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/201 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1102 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 20:01:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:01:38] [INFO ] Implicit Places using invariants in 111 ms returned []
[2025-06-01 20:01:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:01:38] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 20:01:38] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 368 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:01:38] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 20:01:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 20:01:38] [INFO ] Invariant cache hit.
[2025-06-01 20:01:38] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 5148 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:47] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:47] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:47] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:48] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:01:48] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.78305e+12 after 8.75832e+17
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 301 constraints, problems are : Problem set: 0 solved, 196 unsolved in 15088 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 20282ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 20283ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20658 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 5 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2025-06-01 20:01:58] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 20:01:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 20:01:58] [INFO ] After 37ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 20:01:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 20:01:58] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 20:01:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 20:01:58] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 20:01:58] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 20:01:58] [INFO ] After 46ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 20:01:58] [INFO ] Flatten gal took : 1 ms
[2025-06-01 20:01:58] [INFO ] Flatten gal took : 1 ms
[2025-06-01 20:01:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4623936240598923829.gal : 1 ms
[2025-06-01 20:01:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1376455207028320724.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4623936240598923829.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1376455207028320724.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1376455207028320724.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 441230
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :441230 after 6.32845e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.32845e+09 after 5.42758e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.42758e+10 after 2.91075e+11
Detected timeout of ITS tools.
[2025-06-01 20:02:13] [INFO ] Flatten gal took : 1 ms
[2025-06-01 20:02:13] [INFO ] Applying decomposition
[2025-06-01 20:02:13] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6821835185727220580.txt' '-o' '/tmp/graph6821835185727220580.bin' '-w' '/tmp/graph6821835185727220580.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6821835185727220580.bin' '-l' '-1' '-v' '-w' '/tmp/graph6821835185727220580.weights' '-q' '0' '-e' '0.001'
[2025-06-01 20:02:13] [INFO ] Decomposing Gal with order
[2025-06-01 20:02:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 20:02:13] [INFO ] Removed a total of 42 redundant transitions.
[2025-06-01 20:02:13] [INFO ] Flatten gal took : 3 ms
[2025-06-01 20:02:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 0 ms.
[2025-06-01 20:02:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8505044914040381911.gal : 0 ms
[2025-06-01 20:02:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5419928088307597798.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8505044914040381911.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5419928088307597798.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5419928088307597798.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
[2025-06-01 20:02:19] [INFO ] Flatten gal took : 5 ms
[2025-06-01 20:02:19] [INFO ] Applying decomposition
[2025-06-01 20:02:19] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16576498932401876555.txt' '-o' '/tmp/graph16576498932401876555.bin' '-w' '/tmp/graph16576498932401876555.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16576498932401876555.bin' '-l' '-1' '-v' '-w' '/tmp/graph16576498932401876555.weights' '-q' '0' '-e' '0.001'
[2025-06-01 20:02:19] [INFO ] Decomposing Gal with order
[2025-06-01 20:02:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 20:02:19] [INFO ] Removed a total of 334 redundant transitions.
[2025-06-01 20:02:19] [INFO ] Flatten gal took : 15 ms
[2025-06-01 20:02:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 107 labels/synchronizations in 2 ms.
[2025-06-01 20:02:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10417298559721063608.gal : 2 ms
[2025-06-01 20:02:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14635090763867149481.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10417298559721063608.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14635090763867149481.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14635090763867149481.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30154 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[704] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-14 in 154600 ms.
[2025-06-01 20:02:28] [INFO ] Flatten gal took : 6 ms
[2025-06-01 20:02:28] [INFO ] Applying decomposition
[2025-06-01 20:02:28] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph425477799776503619.txt' '-o' '/tmp/graph425477799776503619.bin' '-w' '/tmp/graph425477799776503619.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph425477799776503619.bin' '-l' '-1' '-v' '-w' '/tmp/graph425477799776503619.weights' '-q' '0' '-e' '0.001'
[2025-06-01 20:02:28] [INFO ] Decomposing Gal with order
[2025-06-01 20:02:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 20:02:28] [INFO ] Removed a total of 475 redundant transitions.
[2025-06-01 20:02:28] [INFO ] Flatten gal took : 16 ms
[2025-06-01 20:02:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 164 labels/synchronizations in 4 ms.
[2025-06-01 20:02:28] [INFO ] Time to serialize gal into /tmp/UpperBounds10446250236655090900.gal : 2 ms
[2025-06-01 20:02:28] [INFO ] Time to serialize properties into /tmp/UpperBounds7271782599171772241.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds10446250236655090900.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7271782599171772241.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds7271782599171772241.prop.
Detected timeout of ITS tools.
[2025-06-01 20:30:45] [INFO ] Flatten gal took : 8 ms
[2025-06-01 20:30:45] [INFO ] Time to serialize gal into /tmp/UpperBounds16864624215968023193.gal : 3 ms
[2025-06-01 20:30:45] [INFO ] Time to serialize properties into /tmp/UpperBounds18270372089009161744.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16864624215968023193.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18270372089009161744.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds18270372089009161744.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b128"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-b128, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r100-smll-174867007400109"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b128.tgz
mv FunctionPointer-PT-b128 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;